/**
 * Copyright 2011 ArcBees Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.gwtplatform.common.client;

import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.inject.Provider;

/**
 * An {@link IndirectProvider} that immediately gets the object and invokes the
 * callback, without performing code splitting. This is essentially the same as
 * a standard {@link Provider}, but shares the interface of other
 * {@link IndirectProvider}.
 *
 * @param <T> The type of the provided object.
 *
 * @author Philippe Beaudoin
 */
public final class StandardProvider<T> implements IndirectProvider<T> {

  private final Provider<T> provider;

  /**
   * Creates a {@link IndirectProvider} that directly gets the object and
   * invokes the callback.
   *
   * @param provider The {@link Provider} of the object.
   */
  public StandardProvider(Provider<T> provider) {
    this.provider = provider;
  }

  @Override
  public void get(AsyncCallback<T> callback) {
    callback.onSuccess(provider.get());
  }

}
